Report on Etiology, Epidemiology of typhoid fever & parathyphoid, Report prepared by 1. Dr. Sajid Mahmood, MD (EU), Accident & Emergency Department, NHS Royal infirmary Liverpool United Kingdom. 2. Dr. Adnan Akram, MD (EU), Department of Infectious Diseas

Pg-1 Report on Etiology, Epidemiology, Clinic, D/D, Treatment, Profilaxis of typhoid fever & parathyphoid. A) Etiology. Salmonella is a G-, motile, bacteria of Enterobacteriacae family. They are lactose non fermenters. Produces acid but not gas from... More

Pg-1
Report on Etiology, Epidemiology, Clinic, D/D, Treatment, Profilaxis of typhoid fever & parathyphoid.

A) Etiology.
Salmonella is a G-, motile, bacteria of Enterobacteriacae family.
They are lactose non fermenters.

Produces acid but not gas from glucose and produces H2S Evident by black colour colonies in Bi2S3 medium
(Shigella don’t produce colonies)
B) Main Types - Salmonella Typhi , Salmonella Paratyphi P, B, Salmonella Cholerasuis
- Salmonella Enteritidis, S typhimuriuns
C) Transmission by - Carriers ,Contaminated focal for water, Dairy products , Meat, Eggs, Shell Fish
D) Infective dose – 105
– 108
bacteria
E) Clinical Syndromes caused by Salmonella.

I- Enteric Fever (Typhi, Paratyphi, Thphimurium)
II- Enterocolitis
III- Bacteraemia (Sepsis)
IV- Extra Intestinal focal infections (Osteomyelitis)
V- Carrier State
Enteric Fever (Thyphoid Fever)
Ethiology: S.
Typhi, Paratyphi P, B, typhimurium.

Pathogenic dose: 105
– 108
bacteria
Pathogenisis: Bacteria enter through epithel Less